/Engine/Plugins/Developer/Concert/ConcertUI/ConcertSharedSlate/Source/ConcertSharedSlate/Public/Session/Activity/SConcertSessionActivities.h
[TOptional](API\Runtime\Core\IO\TOptional)< [FConcertClientInfo](API\Plugins\Concert\FConcertClientInfo) > GetClientInfo ( const [FGuid](API\Runtime\Core\Misc\FGuid) & Guid ) const